long ridge of rifts.
This thermophilic fish reaches its greatest abundance in the basins of the Caspian, Aral, Azov and Black Seas, mainly in the estuarine spaces and deltas of the Volga and Don rivers. In the Arctic Ocean basin, this fish is not.
Som is the largest predator of our reservoirs. He has an elongated body, covered with small tight-fitting scales, a huge head. the mouth is equipped with brushes of small but sharp teeth, a pair of long whiskers on the upper jaw and four shorter ones on the lower jaw. Som is able to swallow prey, sometimes slightly inferior to it in volume and weight (however, this is extremely rare for it, most often small bottom fish, mollusks and crayfish serve as food).
At the end of the 30s, fishing cooperatives caught catfish weighing over 300 kilograms and a length of more than 5 meters. Continue reading